APA (7th ed.) Citation

Veblen, O. (1927). Invariants of quadratic differential forms. The University press.

Chicago Style (17th ed.) Citation

Veblen, Oswald. Invariants of Quadratic Differential Forms. Cambridge [England]: The University press, 1927.

MLA (9th ed.) Citation

Veblen, Oswald. Invariants of Quadratic Differential Forms. The University press, 1927.

Warning: These citations may not always be 100% accurate.